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Mathematics 8 Online
OpenStudy (anonymous):

Find the 6 trigonometric functions of the right triangle (attached)Asked 7 minutes ago •No Medals Yet

OpenStudy (anonymous):

OpenStudy (anonymous):

what is the other side of the triangle. use pythagoras theorem.

OpenStudy (math2400):

Let's keep this in mind:

OpenStudy (anonymous):

It's 40.

OpenStudy (math2400):

do you understand those?

OpenStudy (anonymous):

Yes, I do. But I don't know how to simplify 9/40 and so on using radicals and stuff. :(

OpenStudy (anonymous):

Can you help me, @Math2400 ?

OpenStudy (math2400):

Yes(: sorry about that one sec

OpenStudy (math2400):

okay so sinx=9/41 u want to simplify that right?

OpenStudy (math2400):

okay i have to go but let me explain if you wanted to simplify. All you need to do is inverse sine and you can do that with your calculator. Just press 2nd then SIN and plug in your value 9/41. You'll get .2213 as your answer. I don't believe you can get a radical using 9/41. you'd have to have like 1/2 or something yo get a radial

OpenStudy (dumbcow):

what is this talk of radicals and inverse sine you are given right triangle -use pythagorean thm to find missing side length - use SOH CAH TOA to get the 6 trig ratios |dw:1371711585716:dw| \[\sin x = \frac{9}{41} \rightarrow \csc x = \frac{41}{9}\] \[\cos x = \frac{40}{41} \rightarrow \sec x = \frac{41}{40}\] \[\tan x = \frac{9}{40}\rightarrow \cot x = \frac{40}{9}\]

OpenStudy (anonymous):

Thank you so much, @Math2400 and @dumbcow ! :)

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